#include <stdio.h>

typedef struct
{
    int x;
    int y;
} point_t;


int main(int argc, char *argv)
{
    int a[] = {1, 2, 4, 5, 6};

    point_t point1;
    point1.x = a[0];
    point1.y = a[1];

    point1.x = a[2];
    point1.y = a[3];

    point1.x = a[4];
    point1.y = a[0];

    return 0;
}
